The triquetra has been found on runestones in Northern Europe and on early Germanic coins. It presumably had pagan religious meaning and it bears a resemblance to the Valknut, a symbol associated with Odin.
G Scale Trains are usually referred to as Garden Trains since they are the largest of the model trains and are used outdoors as well as indoors.
The gauge is 7 1â2 in (190.5 mm) in the western parts of U.S. and Canada, where the scale sometimes is 1.6 inch for diesel-type models. Private and public (club) tracks exist in many areas, among them the world's largest model railroad, Train Mountain Railroad, with over 25 miles (40 km) of tracks.